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2004 Z4 driver's door switch will only roll passenger window…

Customer Question
2004 Z4 driver's door...

2004 Z4 driver's door switch will only roll passenger window down, whether you pull or push the switch. Passenger door switch will only roll window up, whether you pull or push the switch. Both windows work properly, raise and lower at appropriate times, during raise/lowering convertible top.

Mechanic's Assistant: Is this your first time dealing with this issue?

Yes

Mechanic's Assistant: What year is your Convertible?

2004

Mechanic's Assistant: Are you fixing your Convertible yourself? What have you tried so far?

Yes

Submitted: 5 months ago.Category: BMW
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Answered in 3 days by:
11/23/2017
BMW Mechanic: sprinkles08, ASE Certified Technician replied 4 months ago
sprinkles08
sprinkles08, ASE Certified Technician
Category: BMW
Satisfied Customers: 23,771
Experience: ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
Verified

Hello and welcome to JustAnswer! I apologize for the extended wait time you experienced, I've only just come online now and would like to assist you with your question.

There are quite a few things that could be going on and it's going to require some electrical testing to determine what is going on. There may be a wiring issue, it could be a module failure, you may have a failure in both switches, or a combination of issues at the same time affecting either window.

Are you hoping to do the required electrical testing yourself?

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Customer reply replied 4 months ago
with specific instructions. Have tester.
BMW Mechanic: sprinkles08, ASE Certified Technician replied 4 months ago

Did both windows start behaving this way at exactly the same time or separately?

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sprinkles08
sprinkles08, ASE Certified Technician
Category: BMW
Satisfied Customers: 23,771
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Experience: ASE Master and Advanced level certified. Factory trained with 17 years dealership experience

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